Alpinestars SP-X Boa Drystar Black Dark Grey var1value:UK 44 Less heat = more horsepower

Less heat = more horsepower at the end of the moto

Manufacturer part number: SAK-H-356

The Scorpion Car Exhaust Cat-Back System - BMW E90

Manufacturer part number: 11310854

base gaskets and exhaust pipe gaskets (rocker box gaskets are not included due to the variety of available rocker box styles)

Alpinestars SP-X Boa Drystar Black Dark Grey var1value:UK 44 Less heat = more horsepowerThe Alpinestars SP X Boa Drystar Black Dark Grey is part of the latest collection from Alpinestars. With its ergonomically optimised sport touring design, the mid length SP X BOA Drystar Boots are engineered to deliver the highest levels of comfort when covering big miles in the saddle, while the boots' waterproof and breathable Drystar membrane guarantees exceptional wet weather performance. With its grippy, rugged sole, this boot is built to excel